<script setup lang="ts">
const emit = defineEmits(['update'])
const props = defineProps({
	cron: {
		type: Object,
		default: () => ({
			second: '*',
			min: '*',
			hour: '*',
			day: '*',
			month: '*',
			week: '?',
			year: ''
		})
	},
	check: {
		type: Function,
		default: () => {}
	}
})
const radioValue = ref(2)
const cycle01 = ref(2)
const cycle02 = ref(3)
const average01 = ref(1)
const average02 = ref(2)
const weekday = ref(2)
const checkboxList = ref<any[]>([])
const checkCopy = ref([2])
const weekList = ref([
	{
		key: 1,
		value: '星期日'
	},
	{
		key: 2,
		value: '星期一'
	},
	{
		key: 3,
		value: '星期二'
	},
	{
		key: 4,
		value: '星期三'
	},
	{
		key: 5,
		value: '星期四'
	},
	{
		key: 6,
		value: '星期五'
	},
	{
		key: 7,
		value: '星期六'
	}
])
const cycleTotal = computed(() => {
	cycle01.value = props.check(cycle01.value, 1, 6)
	cycle02.value = props.check(cycle02.value, cycle01.value + 1, 7)
	return cycle01.value + '-' + cycle02.value
})
const averageTotal = computed(() => {
	average01.value = props.check(average01.value, 1, 4)
	average02.value = props.check(average02.value, 1, 7)
	return average02.value + '#' + average01.value
})
const weekdayTotal = computed(() => {
	weekday.value = props.check(weekday.value, 1, 7)
	return weekday.value + 'L'
})
const checkboxString = computed(() => {
	return checkboxList.value.join(',')
})
watch(
	() => props.cron.week,
	value => changeRadioValue(value)
)
watch([radioValue, cycleTotal, averageTotal, weekdayTotal, checkboxString], () => onRadioChange())
function changeRadioValue(value: string) {
	if (value === '*') {
		radioValue.value = 1
	} else if (value === '?') {
		radioValue.value = 2
	} else if (value.indexOf('-') > -1) {
		const indexArr = value.split('-')
		cycle01.value = Number(indexArr[0])
		cycle02.value = Number(indexArr[1])
		radioValue.value = 3
	} else if (value.indexOf('#') > -1) {
		const indexArr = value.split('#')
		average01.value = Number(indexArr[1])
		average02.value = Number(indexArr[0])
		radioValue.value = 4
	} else if (value.indexOf('L') > -1) {
		const indexArr = value.split('L')
		weekday.value = Number(indexArr[0])
		radioValue.value = 5
	} else {
		checkboxList.value = [...new Set(value.split(',').map(item => Number(item)))]
		radioValue.value = 6
	}
}
function onRadioChange() {
	if (radioValue.value === 2 && props.cron.day === '?') {
		emit('update', 'day', '*', 'week')
	}
	if (radioValue.value !== 2 && props.cron.day !== '?') {
		emit('update', 'day', '?', 'week')
	}
	switch (radioValue.value) {
		case 1:
			emit('update', 'week', '*', 'week')
			break
		case 2:
			emit('update', 'week', '?', 'week')
			break
		case 3:
			emit('update', 'week', cycleTotal.value, 'week')
			break
		case 4:
			emit('update', 'week', averageTotal.value, 'week')
			break
		case 5:
			emit('update', 'week', weekdayTotal.value, 'week')
			break
		case 6:
			if (checkboxList.value.length === 0) {
				checkboxList.value.push(checkCopy.value[0])
			} else {
				checkCopy.value = checkboxList.value
			}
			emit('update', 'week', checkboxString.value, 'week')
			break
	}
}
</script>

<template>
	<el-form>
		<el-form-item>
			<el-radio
				v-model="radioValue"
				:value="1"
			>
				周，允许的通配符[, - * ? / L #]
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio
				v-model="radioValue"
				:value="2"
			>
				不指定
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio
				v-model="radioValue"
				:value="3"
			>
				周期从
				<el-select
					v-model="cycle01"
					clearable
				>
					<el-option
						v-for="(item, index) of weekList"
						:key="index"
						:label="item.value"
						:value="item.key"
						:disabled="item.key === 7"
					>
						{{ item.value }}
					</el-option>
				</el-select>
				-
				<el-select
					v-model="cycle02"
					clearable
				>
					<el-option
						v-for="(item, index) of weekList"
						:key="index"
						:label="item.value"
						:value="item.key"
						:disabled="item.key <= cycle01"
					>
						{{ item.value }}
					</el-option>
				</el-select>
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio
				v-model="radioValue"
				:value="4"
			>
				第
				<el-input-number
					v-model="average01"
					:min="1"
					:max="4"
				/>
				周的
				<el-select
					v-model="average02"
					clearable
				>
					<el-option
						v-for="item in weekList"
						:key="item.key"
						:label="item.value"
						:value="item.key"
					/>
				</el-select>
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio
				v-model="radioValue"
				:value="5"
			>
				本月最后一个
				<el-select
					v-model="weekday"
					clearable
				>
					<el-option
						v-for="item in weekList"
						:key="item.key"
						:label="item.value"
						:value="item.key"
					/>
				</el-select>
			</el-radio>
		</el-form-item>

		<el-form-item>
			<el-radio
				v-model="radioValue"
				:value="6"
			>
				指定
				<el-select
					v-model="checkboxList"
					class="multiselect"
					clearable
					placeholder="可多选"
					multiple
					:multiple-limit="6"
				>
					<el-option
						v-for="item in weekList"
						:key="item.key"
						:label="item.value"
						:value="item.key"
					/>
				</el-select>
			</el-radio>
		</el-form-item>
	</el-form>
</template>

<style lang="scss" scoped>
.el-input-number--small,
.el-select,
.el-select--small {
	margin: 0 0.5rem;
}
.el-select,
.el-select--small {
	width: 8rem;
}
.el-select.multiselect,
.el-select--small.multiselect {
	width: 17.8rem;
}
</style>
